Senator · Senate Majority Leader
Devin LeMahieu
| Seat | Senate District 9 |
|---|---|
| Party | Republican |
| Capitol office | Room 211 South · State Capitol |
| Mailing address | State Capitol Room 211 South, P.O. Box 7882, 2 E. Main St., Madison, WI 53707 |
| Capitol phone | 608-266-2056 |
| Legislative assistant | Ryan Motl, Colin Nygren, Leah Peterson, Bethany Rasmussen, Amanda Truax |
| Write to | sen.lemahieu@legis.wisconsin.gov (official address) |
| Hometown | Oostburg |
| Tenure | Serving since January 5, 2015 |
| Term limited | No term limits |
Committees 4
- Senate Organization Committee Chair standing
- Joint Employment Relations Committee joint
- Joint Legislative Organization Committee joint
- Legislative Council joint
Bills, 2025 to 2026 session 14 as principal author · 0 as coauthor
- MeasureTitleStatusMomentum
- SR 5Relating to: notifying the assembly and the governor that Timothy La Sage is elected senate sergeant at arms of the…Enacted100
- SJR 2Relating to: requiring photographic identification to vote in any election (second consideration).Enacted100
- SR 3Relating to: notifying the assembly and the governor that Cyrus Anderson is elected senate chief clerk of the 2025-2026…Enacted100
- SR 1Relating to: notifying the assembly and the governor that the 2025-2026 senate is organized.Enacted100
- SB 699Relating to: alternative methods of providing pupil transportation services. (FE)Vetoed34
- SB 258Relating to: advanced practice registered nurses, extending the time limit for emergency rule procedures, providing an…Out of committee34
- SB 994Relating to: public affairs network request for proposals.Out of committee31
- SB 1Relating to: onetime individual income tax rebates. (FE)Out of committee24
- SB 736Relating to: an exemption from private detective and private security license and permit requirements.Out of committee24
- SB 995Relating to: funding for individual income tax rebates and making an appropriation. (FE)Out of committee24
- SB 119Relating to: positions for the Office of School Safety. (FE)In committee23
- SJR 99Relating to: recognizing October 14, 2025, as First Responders Appreciation Day in Wisconsin.In committee23
- SB 1075Relating to: name, image, and likeness rights for University of Wisconsin System student athletes; maintenance costs…In committee13
- SB 28Relating to: an incumbent transmission facility owner’s right to construct, own, and maintain certain transmission…In committee13
All 14 bills as principal author ›
Bills and sponsors: Open States bulk data (public domain dedication), 2026-10-public.pgdump; status is read from the official actions. About the momentum score
Effectiveness 2025 to 2026 session
3rd percentile
| Bills & joint resolutions authored | 11 |
|---|---|
| … passed committee / chamber / both | 7 / 3 / 2 |
| … became law | 1 |
| Carried in the other chamber (became law) | 0 (0) |
| Points vs. Senate majority average | 22 ÷ 288.50 = 0.08 |
| Most-authored topics | Agriculture & rural life (3), Schools (K-12) (2), State government & agencies (2) |
Senate rankings · How the score works. A count of bill progress, not a judgment of the member's work.
Closest allies co-authorship, 2025 to 2026
Most bills written together
- Jesse James RSenate 23 6
- Patrick Testin RSenate 24 6
- Rachael Cabral-Guevara RSenate 19 6
- Romaine Quinn RSenate 25 6
- Steve Nass RSenate 11 6
- André Jacque RSenate 1 5
- Cory Tomczyk RSenate 29 5
- Dan Feyen RSenate 20 5
- Howard Marklein RSenate 17 5
- Van Wanggaard RSenate 21 5
“Written together” = 2025 to 2026 session bills and joint resolutions on which both are principal author or coauthor (measures with more than 60 sponsors are left out). Sharing bills does not imply a personal or political alliance.
District 9
- Counties
- Fond du Lac, Manitowoc, Sheboygan
- Find your district
- Who represents me?
- Assembly members sharing a county
- Shae Sortwell (2), Ron Tusler (3), Paul Tittl (25), Joe Sheehan (26), Lindee Brill (27), Mark Born (37), Alex Dallman (39), Rob Brooks (59), Jerry O'Connor (60)
Official district map: see the official Senate page.
Lobbyist reports naming this member 2025 to 2026
No lobbyist expenditure reports naming this member are in our data.
Registered lobbyists and the organizations they represent are on our sister site, the Wisconsin Lobby Guide.
A reported expenditure is a legal, disclosed activity and does not imply wrongdoing.
Source
Copied from https://docs.legis.wisconsin.gov/2025/legislators/senate/2820 on November 2, 2026, through Open States people data (CC0), checked against official legislature rosters. Not endorsed by the Wisconsin State Senate.